The MPLS WG Archive

[Bala Rajagopalan <braja@tellium.com>]

There is a draft that describes some of the routing choices for IP over optical.
Please see  http://www.ietf.org/internet-drafts/draft-prs-optical-routing-00.ps

Regards,

Bala

Yangguang Xu wrote:

> Please see comments below:
>
> >
> > a. Considering explicit paths calculation through an optical MPLS
> > network, ingress
> >     routers or third part tools, at the input of the network, will still
> > calculate the
> >     entire path (ingress to egress router), considering links within the
> > optical domain
> >     too?
> >
>
> There have been discussions about this before. My personal opinion is that
> having router control optical domain is not feasible both technically and
> practically.
>
> > b. Or, "new" OXCs, that use a control plane extended from MPLS traffic
> >     engineering control module, will be able to do optical routing, I
> > mean optical path
> >     calculation at the input of optical domain?
>
> This is what I support. Optical path can be set up either through topology
> driven, real-time traffic driven or traffic pattern driven. There have to be
> extra functions and intelligence at the intersection of data domain and optical
> domain. ODSI addresses some issues already. I am now thinking how COPS could be
> extended to apply here. Any people interested in this topic?
>
> > c. In the MPL(ambda)s framework, "new" OXCs has to be seen like optical
> >     routers?
> >
>
> If you mean optical router as optical packet router, then I don't think so.
>
> Yangguang

--

Bala Rajagopalan
Tellium, Inc.
2 Crescent Place
P.O. Box 901
Oceanport, NJ 07757-0901
Tel: (732) 923-4237
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Email: braja@tellium.com